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  1. Article

    Open Access

    Chronic in situ tissue cooling does not reduce lignification at the Swiss treeline but enhances the risk of ‘blue’ frost rings

    In their 2013 paper, Lenz et al. illustrated how trees growing at the low-temperature limit respond to a chronic in situ warming or cooling by 3 K, by employing Peltier-thermostated branch collars that tracked...

    Christian Körner, Armando Lenz, Günter Hoch in Alpine Botany (2023)

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  2. Article

    Open Access

    Levosimendan and systemic vascular resistance in cardiac surgery patients: a systematic review and meta-analysis

    Levosimendan is a potent non-adrenergic inodilator agent. The net effect of hemodynamic changes may result in a hyperdynamic state with low systemic vascular resistance. We conducted a systematic review and me...

    Sandra Terbeck, Paul Philipp Heinisch, Armando Lenz… in Scientific Reports (2019)

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  3. No Access

    Article

    Elevational adaptation and plasticity in seedling phenology of temperate deciduous tree species

    Phenological events, such as the initiation and the end of seasonal growth, are thought to be under strong evolutionary control because of their influence on tree fitness. Although numerous studies highlighted...

    Yann Vitasse, Günter Hoch, Christophe F. Randin, Armando Lenz, Chris Kollas… in Oecologia (2013)